Svar till övning 3.5
SamverkanLinalgLIU
a) \displaystyle \boldsymbol{u}_{\parallel\boldsymbol{v}} =\frac{8}{9}\begin{pmatrix}1\\2\\2\end{pmatrix}, \displaystyle |\boldsymbol{u}_{\parallel\boldsymbol{v}}|=\frac{8}{3},\qquad\qquad b) \displaystyle \boldsymbol{v}_{\parallel\boldsymbol{u}}=\frac{8}{49}\begin{pmatrix}2\\-3\\6\end{pmatrix},\quad \displaystyle |\boldsymbol{u}_{\parallel\boldsymbol{v}}|=\frac{8}{7}.
